I just picked up a 2004 ELPTO 50 HP Merc. It runs great, but I have a bit
of a head scratcher. I just ran it for the first time today.

Here is the setup. 16' flat bottom jon boat. A waco 2050-16 to be exact.

I got it out and ran it for very brief times at WOT today. The motor
supposedly already had 10 hours break in time, so I wasn't to worried about
it.

Anyway. I got 33.5 MPH at 6000 rpm. Now, that doesn't sound too bad except
its with a 14P prop. Either the gear ratio of that lower unit is way
different from other outboards I have run or the tach has to be way off.

What do you think? Is that in keeping with that motor and prop?

The thing that gets me is the boat literally leaps out of the water. It
does perform at the low end like its under propped for top end. Should I be
looking for a 16P prop?

Yes, I know 6000 rpm is above the max reccommended WOT rpm. I only ran it
at that speed for long enough for speed to stabilize so I had a baseline to
compare with. Max reccomended rpm is 5500.

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